ATI LPN
LPN Pharmacology Practice Test
1. A healthcare professional is assessing a client who has been taking lithium carbonate for bipolar disorder. Which of the following findings should the professional report to the provider?
- A. Increased urination
- B. Tremors
- C. Weight gain
- D. Blurred vision
Correct answer: B
Rationale: Tremors are a concerning sign of lithium toxicity that indicate a potential overdose. Tremors can progress to more severe symptoms if not addressed promptly. Reporting tremors promptly allows the provider to assess the client's lithium levels, adjust the dosage, or provide appropriate interventions to prevent further complications. Increased urination, weight gain, and blurred vision are potential side effects of lithium but are not indicative of toxicity or overdose. While they should still be monitored, they are not as urgent as tremors in the context of lithium therapy.
2. The client's B-type natriuretic peptide (BNP) level is 691 pg/mL. Which intervention should the nurse implement when providing care for the client?
- A. Take daily weights and monitor trends.
- B. Encourage fluid intake to improve hydration.
- C. Elevate the legs above the level of the heart.
- D. Position the client supine with the head of the bed at 30 degrees.
Correct answer: A
Rationale: Elevated BNP levels are indicative of heart failure, which often causes fluid retention and weight gain. Taking daily weights and monitoring trends allows the nurse to assess for changes in fluid status. This intervention helps in evaluating the effectiveness of the treatment plan and identifying worsening heart failure symptoms early. Encouraging fluid intake (Choice B) might exacerbate fluid overload in a client with elevated BNP levels. Elevating the legs (Choice C) and positioning the client supine with the head of the bed at 30 degrees (Choice D) are interventions more suitable for clients with hypotension, not specifically indicated for managing elevated BNP levels.
3. The nurse is preparing to administer an intravenous dose of furosemide (Lasix) to a client with heart failure. The nurse should monitor for which potential side effect?
- A. Hypertension
- B. Hyperkalemia
- C. Hypokalemia
- D. Hypoglycemia
Correct answer: C
Rationale: Furosemide is a loop diuretic that works by promoting the excretion of water and electrolytes, including potassium. This loss of potassium can lead to hypokalemia, which can be a potential side effect of furosemide administration. Hypokalemia can result in cardiac dysrhythmias and other complications, especially in clients with heart failure who may already have compromised cardiac function. Therefore, monitoring for signs of hypokalemia, such as muscle weakness, cardiac irregularities, and fatigue, is essential when administering furosemide. Choice A, hypertension, is incorrect because furosemide is actually used to treat hypertension by reducing excess fluid in the body. Choice B, hyperkalemia, is incorrect as furosemide causes potassium loss, leading to hypokalemia. Choice D, hypoglycemia, is unrelated to the mechanism of action of furosemide and is not a common side effect associated with its administration.
4. A 24-year-old man seeks medical attention for complaints of claudication in the arch of the foot. The nurse also notes superficial thrombophlebitis of the lower leg. What should the nurse check the client for next?
- A. Smoking history
- B. Recent exposure to allergens
- C. History of recent insect bites
- D. Familial tendency toward peripheral vascular disease
Correct answer: A
Rationale: In this case, the nurse should check the client's smoking history next. Smoking is a significant risk factor for peripheral vascular disease, leading to the development of thrombophlebitis and claudication. It is important to assess this risk factor as it can significantly impact the client's vascular health and the progression of their current symptoms. Choices B, C, and D are incorrect because they are not directly related to the symptoms described by the client. Recent exposure to allergens or insect bites would typically present with different symptoms, and familial tendency toward peripheral vascular disease is not the immediate concern in this case.
5. A nurse is assessing a client who has been taking lithium carbonate. Which of the following findings should the nurse report to the provider?
- A. Increased urination
- B. Tremors
- C. Weight gain
- D. Blurred vision
Correct answer: B
Rationale: The correct answer is B: Tremors. Tremors are a sign of lithium toxicity and should be reported immediately. Increased urination is a common side effect of lithium but not an urgent concern requiring immediate reporting. Weight gain is also a common side effect of lithium but does not indicate toxicity. Blurred vision is not typically associated with lithium toxicity; therefore, it is not the priority finding to report.
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